I WILL GIVE BRAINLIEST Which is one characteristic shared by electromagnetic and mechanical waves?

Both have a crest and a trough.
Both move due to particles bumping into each other.
Both are formed by charged particles.
Both occur as a result of a disturbance.

Mason joined the water polo team at his school. as part of his conditioning, mason's coach requires a 25-minute run during practice. mason's heart rate reaches 125 beats per minute, but his target heart rate zone is 138—183 beats per minute. what should mason do to get the most benefit for his heart? increase the amount of time he runs increase the speed at which he runs decrease the amount of time he runs decrease the speed at which he runs